MÁTÉ, L. IS A TIME-INVARIANT LINEAR OPERATOR ALWAYS CONTINUOUS? (REMARK TO THE MATHEMATICAL DESCRIPTION OF TIME-INVARIANT LINEAR SYSTEMS). Periodica Polytechnica Electrical Engineering, [S. l.], v. 27, n. 2, p. 115–121, 1983. Disponível em: https://pp.bme.hu/ee/article/view/4711. Acesso em: 9 may. 2024.